Abraham (Genesis ch.17).
covenant,the law,and the prophets
The concept of the Ark of the Covenant is a Jewish concept.
If there were no covenant, the Jewish obligations to God, and the relationship with Him, might be viewed as optional. And we might worry that God could abrogate His promises.
The three major Jewish covenants are Noah's Covenant, Abraham's Covenant, the Mosaic Covenant (Moses' Covenant.)
Abraham
The covenant-relationship is the basis of Jewish beliefs and practices throughout history, since it binds us to the observance of the Torah.
Probably the most central sacred story in Judaism is how the prophet Moses liberated the enslaved Jewish people from Egypt and took them to Mount Sinai where God revealed himself to the entire Jewish people and proceeded to create an eternal covenant with them (Exodus ch.12 and 19).
Traditional Judaism only has one covenant. It is an agreement between G-d and the Jewish people.
Judaism is defined by a covenant between the Jewish people and God. Jewish tradition holds that this covenant was made at Mount Sinai, and that the Torah is the document that defines the terms of the covenant. The tradition identifies 613 mitzvot, commandments, in the Torah, and that Jews are obligated by these commandments as their part of the covenant.
According to Jewish chronology, it was made in 1312 BCE.
Abraham, the patriarch of the Jewish faith. God made a Covenant with Abraham.
God made a covenant (mentioned in Psalms 89) with David that the Jewish kings would come from his descendants.